M4a3 LLC vs Calum Semple compared for founders deciding who to pitch. Stage focus, check size, and sector fit compared side by side.
M4a3 LLC is a family office based in Boulder. Calum Semple is a private equity based in Denver, CO, USA across 235 portfolio companies. On stage, M4a3 LLC is active at undisclosed stages and Calum Semple at Growth.
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